Seductress Leila Templeton lures Harleth Crossley into a supposed assignation at his wife Marcia’s dinner party making a fool of them both. Following other compromising situations and his declaration of needing “personal liberty” Marcia divorces him. Still enamored of Leila, he marries her, but she remains a selfish flirt and Otis Vale, whom Leila has driven insane with her teasing, abducts her. In the mad dash away their automobile tumbles over a cliff, killing them both. When Harleth learns that "Mrs. Crossey" has died, he imagines it to be Marcia, and rushes to her. The relief he shows convinces her that their "invisible bond" is intact, and they reconcile.
Political graft collector, David Power forced by the district attorney to leave New York takes cabaret singer Hebe Norse with him. Showing talent in a variety of professions, Power is eventually hired by a great steel manufacturer, Gail Rogers. He falls in love with Rogers' daughter Rosalie, and they marry happily until Rogers returns home with a new wife…. Hebe Norse. When Rogers discovers Hebe's past, the two men sever ties as does Rosalie. Vengefully Rogers tries to ruin one of Power's companies without success. Ultimately Rosalie forgives Power and they and their young daughter are reunited.
Barbara Rand is blinded when she leaps through a window to escape an assailant. Her sister, Natalie, reluctantly abandons her fiancé, Ned Gardiner, and marries Oliver Landis, who can provide the money needed for Barbara's operation. Unaware that Oliver was Barbara's attacker, Natalie blames his business partner, Howard Pollard, who was with Barbara on the night she was injured. Natalie holds Howard at gunpoint, but when her husband arrives, he promises to deal with the villain making sure Howard falls to his death. Upon Barbara’s release from the hospital, Oliver tries to blind her once. Natalie threatens him with a pistol, but Oliver wrests it away from her. He then realizes that he can no longer hide his guilt from Natalie or the police and shoots himself. Barbara has been avenged, and Natalie is free to marry Ned.
Based on an international scandal that hit prewar France, when the editor of the Paris daily LE FIGARO, Gaston Calmette was shot to death by Madame Caillaux, wife of the Minister of Finance for his exposè of her husband's traitorous activities on behalf of Germany.
Spies from Japan conspire to steal the Channing "preparedness" fortune and invade the United States, beginning in New York, then allying themselves with Mexicans across the border. They are stopped by the efforts of munitions factory heiress Patria Channing and U.S. Secret Service agent Donald Parr.
Scandalous European temptress Lila Despard, travels to America to escape her lover, criminal Jack Firthenbras. On the ship, she meets Andrew Livingston, a United States Navy planner, and Senator and Mrs. Gales. Her new friends host a party for Lila in Washington, D.C., where a spy named Dromiroff threatens to expose her past unless she steals Andrew's secret naval plans. In order to secure the papers, Lila makes love to Andrew, but the plan backfires when she falls in love with him.
The story takes place in Monte Carlo, where the impoverished Julian proposes marriage to the wealthy Dora, only to be turned down by the girl's mercenary mother. Several years later, Julian manages not only to obtain a huge fortune, but also a prominent position in the British diplomatic service. Now a suitable husband for Dora, Julian marries the girl. Alas, their happiness is short-lived.
Financial troubles force Nell Carroll, a thoroughbred, to seek employment in a detective agency which has just taken up the trail of a very baffling jewelry robbery in an exclusive summer colony. In order to work from the inside, she is sent to the place as the Baroness Du Vassey.
Bella Donna ( Pauline Frederick ) a seductive woman snares Nigel Armine ( Thomas Holding ) into marriage and he takes her to Egypt to live. Tired of her simple husband, Bella becomes involved with brutish Baroudi. To get rid of Nigel, she begins slowly poisoning him. However, Nigel's friend Dr. Isaacson arrives in time to save him. Now Baroudi wants nothing to do with Bella, and neither does her husband. Totally alone now, the distraught Bella wanders off into the desert.
In 64 A.D., Marcus Superbus is Prefect of Rome. When the Emperor Nero decides to renew persecution of the Christians, Marcus opposes him, fearing for the safety of Mercia, the Christian woman whom he loves. Through the machinations of the Empress Poppaea and other women at court, Tigellinus, Nero's agent in the war against the Christians, convinces Nero to have Mercia arrested. Marcus appeals to the emperor for mercy, but is told that she can be saved only by renouncing Christianity. Waiting to enter the arena to be killed, Mercia steadfastly refuses to reject her religion, despite Marcus' pleas. Finally, Marcus is converted by her and they enter the arena to face death together.